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Alveolar Dead Space (Medical Definition) | Quick Explainer Video

What is Alveolar Dead Space? This video covers the medical definition and provides a brief overview of this topic. 💥Alveolar Ventilation [Full Guide] ➜ ➜ ➜ https://bit.ly/2VipbBy ➡️ What are Alveoli? Alveoli are the tiny air sacs that are arranged in clusters within the lungs where the gas exchange of oxygen and carbon dioxide molecules takes place. During a breathing cycle, we take in oxygen during inhalation while removing carbon dioxide during exhalation. This process is known as alveolar ventilation. And, for it to function properly, the amount of ventilation must match the amount of perfusion in the alveoli of the lungs. This means that there should be a balance in the Ventilation/Perfusion Ratio. 🟦 Ventilation (V) Ventilation refers to the amount of air that enters and leaves the alveoli. For the body to be able to obtain oxygen, there first must be sufficient amounts of air that reaches the alveolar region of the lungs. 🟦 Perfusion (Q) Perfusion refers to the amount of blood that flows to the alveolar capillaries. For the body to be able to obtain oxygen, there also must be sufficient amounts of blood passing through the lungs to pick up oxygen molecules so that it can be transported to all of the organs and tissues of the body. When a V/Q imbalance is present, it means that the amount of ventilation in the alveoli does not match the amount of perfusion. ➡️ For example: If a patient has normal ventilation but a lack of perfusion, this is known as a deadspace condition. It means that there is a decreased amount of blood flowing through the lungs but a normal amount of air that is reaching the alveoli. The ventilated air stays in the alveoli but there is no blood flow or perfusion there to pick up the oxygen molecules. To give a real-world example, this could be seen in a patient with a pulmonary embolism. ➡️ Recap An area with ventilation but no perfusion is known as deadspace. Since it occurs within the alveoli, this is where alveolar dead space gets its name. Again, for this video, we just wanted to provide you with a brief overview of this topic. We'll be breaking it down into much more detail in a separate video. 💥Alveolar Ventilation [Full Guide] ➜ ➜ ➜ https://bit.ly/2VipbBy ————— 📗 BEST STUDY GUIDES FOR YOU ▪ TMC Test Bank 👉 http://bit.ly/2IGeqSu ▪ Hacking the TMC Exam 👉 http://bit.ly/2XBc8do ▪ TMC Exam Bundle (Save $) 👉 https://bit.ly/34pqEsV ▪ Daily TMC Practice Questions 👉 http://bit.ly/2NnXh3C 💙MORE FROM RTZ ▪ Free TMC Practice Exam 👉 http://bit.ly/2XlwASL ▪ Free RRT Cheat Sheet 👉 http://bit.ly/2IbmOKB ▪ Resources for RT's 👉 http://bit.ly/2WVV5qo ▪ Testimonials 👉 http://bit.ly/2x7b5Gl 🌐FOLLOW US ▪ Instagram 👉 http://bit.ly/2FhF0jV ▪ Twitter 👉 http://bit.ly/2ZsS6T1 ▪ Facebook 👉 http://bit.ly/2MSEejt ▪ Pinterest 👉 http://bit.ly/2ZwVLPw 🚑MEDICAL DISCLAIMER This content is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Please consult with a physician with any questions that you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you watch in this video. We strive for 100% accuracy, but errors may occur, and medications, protocols, and treatment methods may change over time. 💡AFFILIATE DISCLAIMER This description contains affiliate links. If you decide to purchase a product through one of them, we receive a small commission at no cost to you. ————— ⏰TIMESTAMPS 0:00 - Intro 0:21 - What are Alveoli? 0:53 - Ventilation (V) 1:05 - Perfusion (Q) 1:33 - Example 2:05 - Recap ————— 🖼CREDIT FOR MUSIC AND GRAPHICS: ▪ Music licensed from Audiojungle.net/ ▪ Graphics: Canva.com, Freevector.com, Vecteezy.com, and Pngtree.com #RespiratoryTherapy #RespiratoryTherapist #AlveolarDeadSpace